Buckle



FIG. 1 is a front elevational view in the closed position of a buckle showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a top plan view thereof, the bottom being a mirror image;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is an upper front and right side exploded perspective view thereof; and,

FIG. 7 is a lower rear and left side exploded perspective view thereof. 

The ornamental design for a buckle, as shown and described. 